The last six digits of the personal identification number. According to official website of Zhangzhou Education Bureau, the password of Zhangzhou senior high school entrance examination results inquiry is set to the last six digits of personal ID number. This is because the query system of Zhangzhou senior high school entrance examination results aims to protect students' information security and ensure that only I can query the results. In addition, the password is also set for the results query of Zhangzhou senior high school entrance examination, which is convenient for students to query their own results and avoid information leakage and malicious inquiries from others.